all day / Excursions

Migrating Pacific gray whales are on the move along the coast of California. Naturalists from Cabrillo Marine Aquarium and the Santa Barbara Museum of Natural History will be on board to kick off a season of whale-watching trips to explain behavior and migration habits. Two- to three-hour trips scheduled today depart Redondo Sportfishing in Redondo Beach at 10 a.m. and 1 p.m.; Catalina Cruises in Long Beach at 10 a.m.; and an all-day excursion leaves Sea Landing in Santa Barbara at 8 a.m.

* Whale watching. Redondo Sportfishing, Redondo Beach, (310) 372-2111; Catalina Cruises, Long Beach, (800) 538-4554. $7-$15. For discounts for groups of 15 or more, call (310) 832-2676. Sea Landing, Santa Barbara Harbor, 8 a.m.-5 p.m. $65; ages 12 and younger, $35, (805) 963-3564. Reservations required.

8pm / Jazz Four of the jazz-pop world’s most visible lights--guitarists Peter White and Craig Chaquico, trumpeter Rick Braun and saxophonist Richard Elliot--combine in mix-and-match sessions under the banner “Guitars Saxes & More” at two Southland venues this weekend.

* “Guitars Saxes & More,” Club Caprice, 1700 Pacific Coast Highway, Redondo Beach. $29.50. (310) 316-1700. Also Saturday at 7 and 9:30 p.m. at the Coach House, 33157 Camino Capistrano, San Juan Capistrano. $23.50. (714) 496-8930.

9pm / Pop Music Dance music in the mid-’90s means synthesizers and samplers, but there’s still room on the dance floor for ‘70s hit machine KC & the Sunshine Band, with its Caribbean-tinged grooves and disco sheen. Harry Casey and company return for another two-night workout at the House of Blues.

* KC & the Sunshine Band at the House of Blues, 8430 Sunset Blvd., West Hollywood. $27.50. Also Friday at 10 p.m. (213) 650-1451.